Includes within the class A misdemeanor of criminal possession of a weapon in the fourth degree, the possession of a firearm, rifle or shotgun, outside the home, while impaired or intoxicated by use of alcohol or drugs; increases maximum fine for such offense to $10,000; provides for chemical testing of certain persons for whom there is reasonable cause to believe are in violation of such provision; provides for revocation of firearms permit upon conviction or refusal of a chemical test.